The Letter Critters Talent Show

Welcome to The Letter Critters Town The Letter Critter H is planning a fun day in Letter Critters Town by organizing and hosting a talent show. The Letter Critters A-Z are invited to show off their talents or be part of the audience to enjoy the show. There are all kinds of acts performed by these cute little creatures Letter Critter T does his terrific tap dance Letter Critter H walks across hot coals Letter Critter V does a very nice ventriloquist act

But one Letter Critter is being negative about the talent show. Which Letter Critter could it be?